Sharing...

A man and a woman who had never met before found themselves assigned to the same sleeping room on a Trans-continental train. Though initially embarrassed and uneasy over sharing a room, they were both very tired and fell asleep quickly: him in the upper bunk and her in the lower.

At 1:00 AM the man leaned down and gently woke the woman saying, "Ma'am, I'm sorry to bother you but would you be willing to reach into the closet to get me a second blanket? I'm awfully cold."

"I have a better idea," she replied. "Just for tonight, let's pretend we're married."

"Wow! That's a great idea!" he exclaimed.

"Good," she replied.

Spoiler:

"Get your own blanket.